Kc89c72 Datasheet May 2026

The KC89C72 is a member of the MCS-51 family of microcontrollers, designed by Intel and later manufactured by several other companies, including OKI Semiconductor, which produced the KC89C72. This microcontroller is built around an 8051 core, with a clock speed of up to 12 MHz. It features 4 KB of on-chip ROM, 128 bytes of RAM, and a range of peripherals, including timers, counters, and serial interfaces.

The datasheet provides frequency calculation formulas: [ \textTone Period = \frac\textClock Frequency16 \times \textDesired Frequency - 1 ] kc89c72 datasheet

: CMOS 8-bit architecture featuring an internal CPU, 4K bytes of ROM, and 128 bytes of RAM. The KC89C72 is a member of the MCS-51